Examples with RefMetadataImpl org.apache.aries.blueprint.reflect.RefMetadataImpl used on opensource projects

Example 1 with RefMetadataImpl

use of org.apache.aries.blueprint.reflect.RefMetadataImpl in project aries by apache.

the class Parser method parseBeanMetadata.

private ComponentMetadata parseBeanMetadata(Element element, boolean topElement) {
    BeanMetadataImpl metadata = new BeanMetadataImpl();
    if (topElement) {
        metadata.setId(getId(element));
        if (element.hasAttribute(SCOPE_ATTRIBUTE)) {
            metadata.setScope(getScope(element.getAttributeNode(SCOPE_ATTRIBUTE)));
            if (!metadata.getScope().equals(BeanMetadata.SCOPE_SINGLETON)) {
                if (element.hasAttribute(ACTIVATION_ATTRIBUTE)) {
                    if (element.getAttribute(ACTIVATION_ATTRIBUTE).equals(ACTIVATION_EAGER)) {
                        throw new ComponentDefinitionException("A <bean> with a prototype or custom scope can not have an eager activation");
                    }
                }
                metadata.setActivation(ComponentMetadata.ACTIVATION_LAZY);
            } else {
                metadata.setActivation(parseActivation(element));
            }
        } else {
            metadata.setActivation(parseActivation(element));
        }
    } else {
        metadata.setActivation(ComponentMetadata.ACTIVATION_LAZY);
    }
    if (element.hasAttribute(CLASS_ATTRIBUTE)) {
        metadata.setClassName(element.getAttribute(CLASS_ATTRIBUTE));
    }
    if (element.hasAttribute(DEPENDS_ON_ATTRIBUTE)) {
        metadata.setDependsOn(parseList(element.getAttribute(DEPENDS_ON_ATTRIBUTE)));
    }
    if (element.hasAttribute(INIT_METHOD_ATTRIBUTE)) {
        metadata.setInitMethod(element.getAttribute(INIT_METHOD_ATTRIBUTE));
    }
    if (element.hasAttribute(DESTROY_METHOD_ATTRIBUTE)) {
        metadata.setDestroyMethod(element.getAttribute(DESTROY_METHOD_ATTRIBUTE));
    }
    if (element.hasAttribute(FACTORY_REF_ATTRIBUTE)) {
        metadata.setFactoryComponent(new RefMetadataImpl(element.getAttribute(FACTORY_REF_ATTRIBUTE)));
    }
    if (element.hasAttribute(FACTORY_METHOD_ATTRIBUTE)) {
        String factoryMethod = element.getAttribute(FACTORY_METHOD_ATTRIBUTE);
        metadata.setFactoryMethod(factoryMethod);
    }
    // Do some validation
    if (metadata.getClassName() == null && metadata.getFactoryComponent() == null) {
        throw new ComponentDefinitionException("Bean class or factory-ref must be specified");
    }
    if (metadata.getFactoryComponent() != null && metadata.getFactoryMethod() == null) {
        throw new ComponentDefinitionException("factory-method is required when factory-component is set");
    }
    if (MetadataUtil.isPrototypeScope(metadata) && metadata.getDestroyMethod() != null) {
        throw new ComponentDefinitionException("destroy-method must not be set for a <bean> with a prototype scope");
    }
    // Parse elements
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            if (isBlueprintNamespace(node.getNamespaceURI())) {
                if (nodeNameEquals(node, ARGUMENT_ELEMENT)) {
                    metadata.addArgument(parseBeanArgument(metadata, e));
                } else if (nodeNameEquals(node, PROPERTY_ELEMENT)) {
                    metadata.addProperty(parseBeanProperty(metadata, e));
                }
            }
        }
    }
    MetadataUtil.validateBeanArguments(metadata.getArguments());
    ComponentMetadata m = metadata;
    // Parse custom scopes
    m = handleCustomScope(element.getAttributeNode(SCOPE_ATTRIBUTE), element, m);
    // Parse custom attributes
    m = handleCustomAttributes(element.getAttributes(), m);
    // Parse custom elements;
    m = handleCustomElements(element, m);
    return m;
}

Example 2 with RefMetadataImpl

use of org.apache.aries.blueprint.reflect.RefMetadataImpl in project aries by apache.

the class Parser method parseArgumentOrPropertyValue.

private Metadata parseArgumentOrPropertyValue(Element element, ComponentMetadata enclosingComponent) {
    Metadata[] values = new Metadata[3];
    if (element.hasAttribute(REF_ATTRIBUTE)) {
        values[0] = new RefMetadataImpl(element.getAttribute(REF_ATTRIBUTE));
    }
    if (element.hasAttribute(VALUE_ATTRIBUTE)) {
        values[1] = new ValueMetadataImpl(element.getAttribute(VALUE_ATTRIBUTE));
    }
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            if (isBlueprintNamespace(node.getNamespaceURI()) && nodeNameEquals(node, DESCRIPTION_ELEMENT)) {
            // Ignore description elements
            } else {
                values[2] = parseValueGroup(e, enclosingComponent, null, true);
                break;
            }
        }
    }
    Metadata value = null;
    for (Metadata v : values) {
        if (v != null) {
            if (value == null) {
                value = v;
            } else {
                throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + VALUE_ATTRIBUTE + " attribute or sub element must be set");
            }
        }
    }
    if (value == null) {
        throw new ComponentDefinitionException("One of " + REF_ATTRIBUTE + " attribute, " + VALUE_ATTRIBUTE + " attribute or sub element must be set");
    }
    return value;
}

Example 3 with RefMetadataImpl

use of org.apache.aries.blueprint.reflect.RefMetadataImpl in project aries by apache.

the class Parser method parseMapEntry.

private MapEntry parseMapEntry(Element element, ComponentMetadata enclosingComponent, String keyType, String valueType) {
    // Parse attributes
    String key = element.hasAttribute(KEY_ATTRIBUTE) ? element.getAttribute(KEY_ATTRIBUTE) : null;
    String keyRef = element.hasAttribute(KEY_REF_ATTRIBUTE) ? element.getAttribute(KEY_REF_ATTRIBUTE) : null;
    String value = element.hasAttribute(VALUE_ATTRIBUTE) ? element.getAttribute(VALUE_ATTRIBUTE) : null;
    String valueRef = element.hasAttribute(VALUE_REF_ATTRIBUTE) ? element.getAttribute(VALUE_REF_ATTRIBUTE) : null;
    // Parse elements
    NonNullMetadata keyValue = null;
    Metadata valValue = null;
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            if (nodeNameEquals(e, KEY_ELEMENT)) {
                keyValue = parseMapKeyEntry(e, enclosingComponent, keyType);
            } else {
                valValue = parseValueGroup(e, enclosingComponent, valueType, true);
            }
        }
    }
    // Check key
    if (keyValue != null && (key != null || keyRef != null) || (keyValue == null && key == null && keyRef == null)) {
        throw new ComponentDefinitionException("Only and only one of " + KEY_ATTRIBUTE + " attribute, " + KEY_REF_ATTRIBUTE + " attribute or " + KEY_ELEMENT + " element must be set");
    } else if (keyValue == null && key != null) {
        keyValue = new ValueMetadataImpl(key, keyType);
    } else if (keyValue == null) /*&& keyRef != null*/
    {
        keyValue = new RefMetadataImpl(keyRef);
    }
    // Check value
    if (valValue != null && (value != null || valueRef != null) || (valValue == null && value == null && valueRef == null)) {
        throw new ComponentDefinitionException("Only and only one of " + VALUE_ATTRIBUTE + " attribute, " + VALUE_REF_ATTRIBUTE + " attribute or sub element must be set");
    } else if (valValue == null && value != null) {
        valValue = new ValueMetadataImpl(value, valueType);
    } else if (valValue == null) /*&& valueRef != null*/
    {
        valValue = new RefMetadataImpl(valueRef);
    }
    return new MapEntryImpl(keyValue, valValue);
}

Example 4 with RefMetadataImpl

use of org.apache.aries.blueprint.reflect.RefMetadataImpl in project aries by apache.

the class Parser method parseServiceListener.

private ReferenceListener parseServiceListener(Element element, ComponentMetadata enclosingComponent) {
    ReferenceListenerImpl listener = new ReferenceListenerImpl();
    Metadata listenerComponent = null;
    // Parse attributes
    if (element.hasAttribute(REF_ATTRIBUTE)) {
        listenerComponent = new RefMetadataImpl(element.getAttribute(REF_ATTRIBUTE));
    }
    String bindMethodName = null;
    String unbindMethodName = null;
    if (element.hasAttribute(BIND_METHOD_ATTRIBUTE)) {
        bindMethodName = element.getAttribute(BIND_METHOD_ATTRIBUTE);
        listener.setBindMethod(bindMethodName);
    }
    if (element.hasAttribute(UNBIND_METHOD_ATTRIBUTE)) {
        unbindMethodName = element.getAttribute(UNBIND_METHOD_ATTRIBUTE);
        listener.setUnbindMethod(unbindMethodName);
    }
    if (bindMethodName == null && unbindMethodName == null) {
        throw new ComponentDefinitionException("One of " + BIND_METHOD_ATTRIBUTE + " or " + UNBIND_METHOD_ATTRIBUTE + " must be set");
    }
    // Parse elements
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            if (isBlueprintNamespace(e.getNamespaceURI())) {
                if (nodeNameEquals(e, REF_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    String component = e.getAttribute(COMPONENT_ID_ATTRIBUTE);
                    if (component == null || component.length() == 0) {
                        throw new ComponentDefinitionException("Element " + REF_ELEMENT + " must have a valid " + COMPONENT_ID_ATTRIBUTE + " attribute");
                    }
                    listenerComponent = new RefMetadataImpl(component);
                } else if (nodeNameEquals(e, BEAN_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseBeanMetadata(e, false);
                } else if (nodeNameEquals(e, REFERENCE_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseReference(e, false);
                } else if (nodeNameEquals(e, SERVICE_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseService(e, false);
                }
            } else {
                if (listenerComponent != null) {
                    throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                }
                listenerComponent = parseCustomElement(e, enclosingComponent);
            }
        }
    }
    if (listenerComponent == null) {
        throw new ComponentDefinitionException("One of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element must be set");
    }
    listener.setListenerComponent((Target) listenerComponent);
    return listener;
}

Example 5 with RefMetadataImpl

use of org.apache.aries.blueprint.reflect.RefMetadataImpl in project aries by apache.

the class Parser method parseRegistrationListener.

public RegistrationListener parseRegistrationListener(Element element, ComponentMetadata enclosingComponent) {
    RegistrationListenerImpl listener = new RegistrationListenerImpl();
    Metadata listenerComponent = null;
    // Parse attributes
    if (element.hasAttribute(REF_ATTRIBUTE)) {
        listenerComponent = new RefMetadataImpl(element.getAttribute(REF_ATTRIBUTE));
    }
    String registrationMethod = null;
    if (element.hasAttribute(REGISTRATION_METHOD_ATTRIBUTE)) {
        registrationMethod = element.getAttribute(REGISTRATION_METHOD_ATTRIBUTE);
        listener.setRegistrationMethod(registrationMethod);
    }
    String unregistrationMethod = null;
    if (element.hasAttribute(UNREGISTRATION_METHOD_ATTRIBUTE)) {
        unregistrationMethod = element.getAttribute(UNREGISTRATION_METHOD_ATTRIBUTE);
        listener.setUnregistrationMethod(unregistrationMethod);
    }
    if (registrationMethod == null && unregistrationMethod == null) {
        throw new ComponentDefinitionException("One of " + REGISTRATION_METHOD_ATTRIBUTE + " or " + UNREGISTRATION_METHOD_ATTRIBUTE + " must be set");
    }
    // Parse elements
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            if (isBlueprintNamespace(e.getNamespaceURI())) {
                if (nodeNameEquals(e, REF_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    String component = e.getAttribute(COMPONENT_ID_ATTRIBUTE);
                    if (component == null || component.length() == 0) {
                        throw new ComponentDefinitionException("Element " + REF_ELEMENT + " must have a valid " + COMPONENT_ID_ATTRIBUTE + " attribute");
                    }
                    listenerComponent = new RefMetadataImpl(component);
                } else if (nodeNameEquals(e, BEAN_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseBeanMetadata(e, false);
                } else if (nodeNameEquals(e, REFERENCE_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseReference(e, false);
                } else if (nodeNameEquals(e, SERVICE_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseService(e, false);
                }
            } else {
                if (listenerComponent != null) {
                    throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                }
                listenerComponent = parseCustomElement(e, enclosingComponent);
            }
        }
    }
    if (listenerComponent == null) {
        throw new ComponentDefinitionException("One of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element must be set");
    }
    listener.setListenerComponent((Target) listenerComponent);
    return listener;
}